Product Details

Part of any cooling system overhaul on the 540i or 740i/iL should include a service for the automatic transmission heat exchanger (cooler). This block takes coolant from the radiator and uses it to cool the oil for the transmission. A blocked or faulty transmission cooler can lead to major transmission faults, harder or hesitating shifts, or even complete transmission failure. We recommend getting 2 new o-rings while replacing the the heat exchanger. il As part of every cooling system service we recommend cleaning or replacing the heat exchanger itself and the replacement of the hoses leading to it (see separate product).

This Part Fits the Following BMWs

Make

Model

Submodel

Engine

BMW

E38

740i

M62 4.4L

BMW

E38

740iL

M62 4.4L

BMW

E39

540i

M62 4.4L

*The above product applications have been written by
Turner Motorsport. All warranties, product application, fitment,
and performance are the responsibility of Turner Motorsport.
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